| # | County | Expected annual loss |
|---|---|---|
| 1 | Franklin County | $331.4M |
| 2 | Cuyahoga County | $282.4M |
| 3 | Hamilton County | $221.2M |
| 4 | Butler County | $119.7M |
| 5 | Montgomery County | $119.2M |
| 6 | Lucas County | $111.3M |
| 7 | Summit County | $102.2M |
| 8 | Stark County | $76.6M |
| 9 | Delaware County | $69.4M |
| 10 | Lorain County | $65.9M |
| 11 | Warren County | $61.8M |
| 12 | Licking County | $47.7M |
| 13 | Clermont County | $46.5M |
| 14 | Trumbull County | $43.9M |
| 15 | Wood County | $43.3M |
| 16 | Mahoning County | $42.5M |
| 17 | Lake County | $41.9M |
| 18 | Greene County | $41.6M |
| 19 | Fairfield County | $39.0M |
| 20 | Medina County | $35.0M |
| 21 | Clark County | $32.7M |
| 22 | Allen County | $31.9M |
| 23 | Hancock County | $30.9M |
| 24 | Muskingum County | $29.4M |
| 25 | Belmont County | $29.2M |
Source: FEMA National Risk Index (December 2025). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Highest Expected Annual Loss from Natural Hazards in Ohio”, https://gismap.land/rankings/ohio/highest-expected-loss-counties. Figures from FEMA National Risk Index (December 2025).
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